OpenTechnical

OT-2026-000007044

Publication integrity record

Vacuum cup gripper, four outlet manifold, three stage ejector, vented after set down, polyurethane cups

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000007044) never changes.

Identity and time

Publication numberOT-2026-000007044 · never reused
Internal UUID01a0a970-a5f6-798a-863a-91a8708c021a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:58:47.162108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007044
StatusPUBLIC

Content hashes

Canonical textf8b84b3451a499e82c7ae564abcd63a85b6fe1c268a64e4d90a43a9cacbd144e
Markdownf39d2283e99e0331b0215854ac1ab149b168f0c061aa706ad609f40ab5a8b818
PDF
Publication page45a8de5afd41c601ff6dc4ba115f0e0551a1ce1f501477a7440d00b1af55a34a
Manifest2207cc83739daec4c768fcfb403df29dec9f0c71bb44be9a88dd7472c0740172

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureN+CdgJZRakegWAY3KF3nS5wPe9YMA5wC3XUNi4AHw6WmCTANTisMjrsfF5u4V8DRfu3SIW8TQxp8sBNrI2kcCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:08.418695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007044
observed 45a8de5afd41c601ff6dc4ba115f0e05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:08.406321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007044/manifest.json
observed 2207cc83739daec4c768fcfb403df29d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:08.392391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007044/publication.md
observed f39d2283e99e0331b0215854ac1ab149...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:08.379243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007044/publication.txt
observed f8b84b3451a499e82c7ae564abcd63a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.